Animals, Macaronesia, Fishes, Madeira, Phylogeny, Atlantic Ocean, Sequence Analysis, DNA, Molecular Sequence Data, DNA, Ribosomal - genetics, Fish Diseases - parasitology, Cluster Analysis, Cestoda - classification, Cestoda - isolation \& purification, Cestode Infections - parasitology, Cestode Infections - veterinary, DNA, Helminth - chemistry, DNA, Helmint...